.content {
  color: #999999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  user-select: none;
  overflow-y: auto;
  .item{
    width: 100vw;
    height: 180px;
    box-sizing: border-box;
    padding: 5px 10px;
  }
}